Fitted with 6 GB of GDDR5 memory connected via high speed 384bit x2 memory interface, VTX3D HD7990 is clocked at 900 MHz by default setting and 925 MHz at OC mode, both together with 1375 MHz for memory, revealing monster-like power for the most demanding games. The HD7990 also features ultra deluxe design with digital PWM, multi phases design and UHB, ensuring stability and reliability voltage for GPU with minimum conduction losses and lower temperatures at load.

VTX3D HD7990 includes VGA supporter inside, which is designed for providing mighty strength to support the weight of card from the back and preventing card bending situation. To satisfy power gamers with no-compromise HD gaming experience, VTX3D HD7990 offer complete support for AMD Eyefinity technology and AMD HD3D technology, gamers can get the most intense gaming performance than before. With AMD PowerPlay technology support, ensuring maximum GPU efficiency by dynamically scaling clocks speeds and power consumption in response to GPU loads.

Same here. I think AMD have exhausted themselves with high-end 7970 cards from different manufacturer's that can easily max out any and every game out there for the price premiums they carry. We don't need anymore $900+ single cards to be able to do that.